Cosignatory
a. 连署的, 连名的\\nn. 连署人
✅ 同义词
📖 牛津释义
cosignatory
co-signatory, n ~ (of/to sth) person, state, etc signing jointly with others 连署者（人、 国家等）
The US and the former Soviet Union were co-signatories of/to the treaty. 美国和前苏联都是条约的签署国.
🗣️ 情景例句
He's your best man.
他是男傧相呀。
Habit is second nature.
习惯成自然。
I was standing at the back, so I couldn't see very well.
我站在后面，看不清。